window

Opening in a wall fitted with glass to let in light and air.

structure

sill of frame

Lower level part of the window sash frame.

weatherboard

Sloped strip of wood allowing water to flow away from the window.

shutter

Exterior panel made of solid wood protecting the glass portion of the window.

hinge

Small metal part pivoting on a gudgeon to let the casement swing.

hook

Curved part holding the jalousie or shutter in place.

sash frame

Fixed frame encasing the movable part of the window.

hanging stile

Vertical part of the frame to which the hinges are attached; it allows the window to open.

casement

Movable window panel, with or without glass, that swings on hinges.

jalousie

Exterior panel composed of horizontal strips protecting the window from the sun or rain while allowing air to pass through.

casing

Protruding border surrounding the sash frame of the window.

top rail of sash

Level piece of wood at the top of the movable part of the window.

pane

Small glass plate in a window or door.

muntin

Small jamb or crosspiece holding a window pane in place.

head of frame

Upper level part of the window frame.

stile tongue of sash

Vertical part of the frame with a rounded side that fits into the stile groove of the sash.

stile groove of sash

Vertical part of the frame with a concave groove; the stile tongue of the sash fits into it.